package com.jy.blog.controller;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.jy.blog.model.Message;
import com.jy.blog.service.MessageService;
import com.jy.blog.service.impl.MessageServiceImpl;

/**
 * Servlet implementation class MessageServlet
 */
public class MessageServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
	 private MessageService service=new MessageServiceImpl();
    /**
     * @see HttpServlet#HttpServlet()
     */
    public MessageServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String act=request.getParameter("act");
		if(act.equals("messagelist")){
		messageList(request,response);
		}else if(act.equals("del")){
			del(request,response);
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}
	protected void messageList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		List <Message> messageList=service.selectAllMessage();
		request.setAttribute("messageList",messageList );
		request.getRequestDispatcher("message-list.jsp").forward(request, response);
	}
	protected void del(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		int id=Integer.valueOf(request.getParameter("id"));
		service.del(id);
		response.sendRedirect(request.getContextPath()+"/admin/message?act=messagelist");
	}
}
